wined3d: Add EXT_texture_integer extension.

dlls/wined3d/directx.c

@@ -194,6 +194,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
     {"GL_EXT_texture_env_combine",          EXT_TEXTURE_ENV_COMBINE       },
     {"GL_EXT_texture_env_dot3",             EXT_TEXTURE_ENV_DOT3          },
     {"GL_EXT_texture_filter_anisotropic",   EXT_TEXTURE_FILTER_ANISOTROPIC},
+    {"GL_EXT_texture_integer",              EXT_TEXTURE_INTEGER           },
     {"GL_EXT_texture_lod_bias",             EXT_TEXTURE_LOD_BIAS          },
     {"GL_EXT_texture_mirror_clamp",         EXT_TEXTURE_MIRROR_CLAMP      },
     {"GL_EXT_texture_snorm",                EXT_TEXTURE_SNORM             },
@@ -3408,6 +3409,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter)
         {ARB_TEXTURE_FLOAT,                MAKEDWORD_VERSION(3, 0)},
         {ARB_TEXTURE_RG,                   MAKEDWORD_VERSION(3, 0)},
         {EXT_DRAW_BUFFERS2,                MAKEDWORD_VERSION(3, 0)},
+        {EXT_TEXTURE_INTEGER,              MAKEDWORD_VERSION(3, 0)},
         /* We don't want to enable EXT_GPU_SHADER4: even though similar
          * functionality is available in core GL 3.0 / GLSL 1.30, it's different
          * enough that reusing the same flag for the new features hurts more

dlls/wined3d/wined3d_gl.h

@@ -128,6 +128,7 @@ enum wined3d_gl_extension
     EXT_TEXTURE_ENV_COMBINE,
     EXT_TEXTURE_ENV_DOT3,
     EXT_TEXTURE_FILTER_ANISOTROPIC,
+    EXT_TEXTURE_INTEGER,
     EXT_TEXTURE_LOD_BIAS,
     EXT_TEXTURE_MIRROR_CLAMP,
     EXT_TEXTURE_SNORM,